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The University of Southampton
Engineering
Phone:
(023) 8059 4501
Email:
J.Walker@soton.ac.uk

Dr John Christopher Walker MEng, PhD

Assistant Professor in Materials and Tribological Engineering

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Dr John C Walker is an Assistant Professor in Materials and Tribological Engineering in the School of Engineering. He lectures in Lubrication and Engine Tribology, Materials for Transpor.

I’m intrigued by the science that underpins engineering

Applications and Microstructure and Surface Characterisation. His research interests are in the areas of automotive light-weighting technology, scuff detection for heavy duty diesel vehicles, surface texturing, online profilometry and tribological testing

Career History

Dr Walker was sponsored by Alcan International whilst studying for a Masters in Materials Science and Engineering at the University of Sheffield in 2001. He worked for Alcan both in the UK and Canada before returning to Sheffield to gain a PhD investigating the lubricated sliding behaviour of aluminium alloy composites in 2006. Prior to his appointment at the University of Southampton, Dr Walker has held post-doctoral research positions at the University of Sheffield investigating the tribological properties of nano-scale multilayer PVD coatings for aerospace applications and the University of Liverpool investigating 3D printing of ODS alloys as fossil fuel heat exchangers. Dr Walker has published over 40 international academic papers on his research with over 900 citations. He has been awarded research funding from the Royal Society, EPSRC and industry.

Qualifications

MEng Materials Science and Engineering, University of Sheffield, 2001

PhD, University of Sheffield, 2006

Research interests

  • Automotive light-weighting technology
  • Scuff detection for heavy duty diesel vehicles
  • Surface texturing
  • Online profilometry
  • Tribological testing
  • Electron beam melting of biomedical alloys
  •  Understanding the effect of start-stop hybrid operation on the formation of anti-wear additives in aluminium automotive engine blocks.
  • Trying to predict scuffing in the piston assembly and liner of fired diesel truck combustion engines.
  • Simulating the friction encountered when drilling oil and gas reserves.
  • Electron beam melting of metallic surfaces for bio-medical applications.

Research group

Energy Technology

Affiliate research groups

national Centre for Advanced Tribology at Southampton (nCATS), nCATS

Research project(s)

Electron Beam Melting of Biomedical Alloys

Pulsed large area electron beam melted can be used to modify the surface structure of biomedical medical alloys such as Titanium or Cobalt-Chromium. Because of the rapid melting and cooling rates, this causes unique microstructures to form that have improved corrosion, friction and wear performance.

Scuffing of heavy duty diesel engines

Simulating the friction encountered in oilfield operations

This is a two year project aiming to design and build a novel friction simulation device at the National Centre for Advanced Tribology. The project will allow us to re-create in the laboratory the conditions that occur during oilfield exploration. This will allow better understanding as to the conditions and effects that arise from friction when exploring for hydro-carbon reservoirs or to reach geothermal energy sources.

Peer reviewer for over 25 journals

Panel reviewer for external funding bodies

Conference session chair

Workshop organiser

External consultant to industry

PhD Supervision

  • Dr Timothy Kamps
  • Mr Peng Jiang
  • Mr Stefano Cinti
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Articles

Book Chapter

  • Ross, I. M., Rainforth, W. M., Zhou, Z., Walker, J. C., Reinhard, C., Ehiasarian, A. P., Hovsepian, P. E., Braun, R., & Leyens, C. (2008). Oxidation characteristics of gamma-TiAl-8Nb coated with a CrAlYN/CrN nanoscale multilayer coating. In Y-W. Kim, D. Morris, R. Yang, & C. Leyens (Eds.), Structural Aluminides for Elevated Temperatures Gamma Titanium and Other Metallic Aluminides (pp. 315-322). (Structural Aluminides for Elevated Temperatures Symposium held at the TMS 2008 Annual Meeting and Exhibition)..

Conferences

Report

Module lead: SESG6044 Microstructural and Surface Characterisation

Lecturer: SESG6042 Microstructural Engineering for Transport Applications

Mechanical Engineering Part IV Co-ordinator

AMES MSc Project Co-ordinator

 

Dr John Christopher Walker
Engineering, University of Southampton, Highfield, Southampton. SO17 1BJ United Kingdom

Room Number NNN: 7/5017/M7

Facsimile: (023) 8059 3016


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